Pennatulidae

Pennatulidae is a family of sea pens, a member of the subclass Octocorallia in the phylum Cnidaria.

Genera
The World Register of Marine Species lists the following genera:
 * Crassophyllum Tixier-Durivault, 1961
 * Graphularia
 * Gyrophyllum Studer, 1891
 * Pennatula Linnaeus, 1758
 * Pteroeides Herklots, 1858
 * Ptilosarcus Verrill, 1865
 * Sarcoptilus Gray, 1848